Home / 11,051.64-16,571.70-4,120.44

Finding the Fourth Proportional to 11,051.64, 16,571.70 and 4,120.44

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Solution

The fourth proportional to 11,051.64, 16,571.70 and 4,120.44 is: 6,178.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,051.64 : 16,571.70 = 4,120.44 : x
  2. Step 2: Convert to fraction form
    11,051.64/16,571.70 = 4,120.44/x
  3. Step 3: Cross multiply
    11,051.64x = 16,571.70 × 4,120.44
  4. Step 4: Simplify right side
    11,051.64x = 68,282,695.55
  5. Step 5: Solve for x
    x = 68,282,695.55/11,051.64
  6. Step 6: Final answer
    x = 6,178.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.